Cool
Average highs are around 18°C, so pack for cooler days.
Weather Guide
Glasgow, Scotland, United Kingdom Average Monthly Weather
Weather score20Poor annual avg
Best months: July, June, August
Across the year, average daytime temperatures are around 12°C, sunshine averages 3.4h per day, and rainfall totals about 1243mm. Sea temperatures average 11°C across the year.
Annual weather
Annual averages
Temp
12°C
Rain
1243mm
Annual total
Sun
3.4h
Sea
11°C
Weather score
20
Poor avg
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Drier
Rainfall averages 79mm, which is relatively low for holiday planning.
Some sun
Sunshine averages 5.2h per day, enough for a balanced month.
Cool sea
Sea temperatures average 15°C, so the water can feel cool.
Map
Weather map
Compare Glasgow, Scotland, United Kingdom with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
July18°C average high
July is one of Glasgow's hottest months, so shade and slower afternoons matter.
Warmest monthsJune to September
This stretch sets the upper range for average daytime heat.
Rain
July79mm average rain
July sits on the drier side of Glasgow's year, which helps with sightseeing and transfers.
Driest monthsFebruary and April to July
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
July5.2 hours average sun
July is one of Glasgow's sunniest months, with some of the strongest bright-day conditions in the yearly averages.
Brightest monthsApril to August
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
July15°C average sea
July is one of Glasgow's warmest sea months, when swimming comfort is usually strongest.
Warmest seaJune to September
Sea temperatures are usually near 14°C in this stretch, so swimming comfort is at its strongest.
Weather score
July34 weather score
July is one of Glasgow's best weather-score months, combining the strongest overall balance in the yearly averages.
Best weather monthsJune to August
These months have the strongest weather score in the monthly averages.
